Learn how to develop strategies for how you are going to get things done. What are the criteria for developing a good strategy? When should you develop strategies for your initiative?
Solar Powered Seawater Greenhouses for Deserts Challenge Use seawater and solar power to create green spaces in deserts. Problem Plants cannot grow in deserts because of the extreme temperatures and lack of nutrients and water.
Above a particular temperature, the amount of water lost through the holes in its leaves, called stomata, gets so large that a plant will shut down photosynthesis and cannot grow.
Solution The Sahara Forest project aims to exploit seawater greenhouses that work by using concentrated solar power CSP to drive seawater evaporators and then pump the damp, cool air through the greenhouse. At the other end of the greenhouse from the evaporators, the water vapour is condensed.
Some of this fresh water is used to water the crops, while the rest can be used for the essential task of cleaning the solar mirrors. The greenhouses are therefore humid and at a lower temperature, ideal for growing crops.
Demonstration greenhouses running in Tenerife, Oman and the United Arab Emirates already produce lettuces, peppers, cucumbers and tomatoes. The nutrients needed to grow the plants could come from local seaweed or even be extracted from the seawater itself.
Seawater greenhouses and CSP work in synergy as both function extremely well in hot, dry desert locations. CSP produces a lot of waste heat that can evaporate more seawater from the greenhouse and CSP needs the supply of clean, demineralised water from the greenhouse in order for the electricity generating turbines to function, and to keep the mirrors at peak output.
The seawater feed is key, as many regions are destroying water tables to feed large greenhouses in desert regions to grow food. In fact the seawater greenhouse produces more fresh water than needed to water the plants inside, so in addition to producing water to clean the CSP mirrors, some of it can be released into the local environment.
This can create a local microclimate just outside the greenhouses for hardier plants such as jatropha, an energy crop that can be turned into biofuel. The ability to create similar microclimates has already been proven in the demonstration greenhouses. Benefits The fresh water produced is pure and distilled from seawater, with no need for chemical treatment.
The seawater evaporators have a biocidal and scrubbing effect on the ventilation airflow. This greatly reduces or eliminates the need for pesticides.
Enables the development of land normally considered unsuitable for agriculture. Commercial grade crops yields, coupled with significantly lower capital and operating costs result in enhanced operator economics.
Salt gained in the process can be sold and other minerals used as crop nutrients. Creation of new jobs.Full text of "ERIC ED Educating Social Workers for Practice in Rural Settings: Perspectives and Programs.A Task Force Report." See other formats.
Develop a roadmap for the success of your business by writing an effective strategy.
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Posted in Examples of Strategic Initiatives, Strategy, Ambiguity, and Strong-Minded Thinking, This article analyzes the initiative’s strategy and raises questions about the correctness of the situation diagnosis.
It examines the Renew Blue vision & strategic pillars, and concludes with a list of 7 learnings for leaders of strategic. Welcome to today's hearing, ''Transportation Research and Development: Investing for the Future.'' The United States has one of the most extensive transportation systems in the world.
Every day, planes, trains, boats, trucks and automobiles transport billions of dollars worth of goods across America.